390w ago - The PLAYSTATION®3 system software version 1.92 (with 1.90) update includes the following:

Customizing wallpaper (Theme Settings)

You can now display an image as the background of XMBâ„¢ (XrossMediaBar).

You can now use emoticons when creating messages under [Friends].

You can now enter text directly into text entry fields of Web pages using a USB keyboard.

Upsampled output of audio CDs is now supported.

Other new or revised features in version 1.92 (with 1.90):

Settings[44.1/88.2/176.4 kHz] has been added as an option in [Audio CD Output Frequency] under [Music Settings].
[Type 2] has been added as an option in [Bitmapping] under [Music Settings].
[On] has been added as an option in [BD 1080p 24 Hz Output (HDMI)] under [BD/DVD Settings].

VideoThe [Image Quality Adjustment] option in the control panel has been changed to [AV Settings].
You can now play AVCHD-format video files that are saved on Memory Stickâ„¢ media or on the hard disk of a video camera.
You can now operate the (Slow (Back)) and (Frame Reverse) functions when playing video files saved on storage media or on the hard disk.

390w ago - As planned, v1.93 PS3 Firmware is now available below which should remedy the Network disconnect issue from v1.92 among other changes. There is currently no official changelog available, and props to both ibleedblue744 and vfxraven19 who let us know of the update!